The Canadian Meteorological Markup Language (CMML), also called meteocode, is an XML format containing the official Weather Elements forecasted by Environment Canada. The CMML files of Environment Canada contains all the information needed by METRo as input for atmospheric forecast. The meteocode provides you hourly values of meteorological parameters, such as: * temperature * wind * precipitation amount and type * cloud cover * dew point temperatures * probability of precipitation * obstacles to visibility * UV index * Cloud ceiling heights*